diff --git a/shared_requirements/requirements.txt b/shared_requirements/requirements.txt
index ad98d12ea0..309fba9669 100644
--- a/shared_requirements/requirements.txt
+++ b/shared_requirements/requirements.txt
@@ -44,7 +44,7 @@ pandas==2.3.3
 platformdirs==4.5.0
 pluggy==1.6.0
 proto-plus==1.27.0
-protobuf>=3.20.2,<6.0.0      # Critical constraint
+protobuf>=3.20.2,<7.0.0      # Critical constraint
 pyarrow==18.1.0
 pyasn1-modules==0.4.1
 pyasn1==0.6.2